Rolls-Royce Archives
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
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Testing and specifications for asbestos cord lagging on exhaust swan necks.6th May 1914Box 36 \ 3  scan 007
Experiment with asbestos covering on a rear exhaust pipe.8th May 1914Box 36 \ 3  scan 008
Application of asbestos covering on a rear exhaust pipe.13th May 1914Box 36 \ 3  scan 009
Lagging of a Swan Neck Silencer with asbestos cord, fitted to chassis 58NA.26th May 1914Box 36 \ 3  scan 010
Sample of a new woven asbestos lagging for exhaust pipe X.3003.10th Mar 1919Box 36 \ 3  scan 011
Reminder requesting reports on experiments with Ferodo bonnet brake material and woven asbestos exhaust lagging.20th May 1919Box 36 \ 3  scan 012
Request for a report on the value of special woven type asbestos cord for lapping exhaust pipes.24th Jun 1919Box 36 \ 3  scan 013
Lagging exhaust boxes with asbestos to reduce heat in the scuttle of the 40/50 chassis.22th Feb 1924Box 36 \ 3  scan 014
Recommendation to lag silencers with a new rustless material due to the poor durability of thin sheet aluminium.2nd Feb 1926Box 36 \ 3  scan 015
Causes and potential solutions for overheating in the interior of Phantom cars.14th Jul 1926Box 36 \ 3  scan 016
Suggestion to experimentally measure car floor temperature and identify the heat sources, such as the silencer and engine.5th Oct 1926Box 36 \ 3  scan 017
Modifications to the silencer to prevent heat affecting car bodies, specifically concerning the Phantom model.5th Oct 1926Box 36 \ 3  scan 018
Experiments carried out on the welding of sheet steel water jackets using different treatments and wire types.23th Apr 1926Box 36 \ 3  scan 019
The welding of sheet steel water jackets, specifically Sample 7.23th Apr 1926Box 36 \ 3  scan 020
Micro-examination and analytical report on samples of special welding wire.22th Apr 1926Box 36 \ 3  scan 021
Continuation of tests on aluminium alloys and proposing the use of Magnalium for specific components to achieve increased lightness.27th Apr 1917Box 36 \ 3  scan 022
Various alloys for crankchamber castings and pistons, including suggestions for future reports and testing.15th Feb 1916Box 36 \ 3  scan 023
The importance of specific gravity in piston alloy for achieving a more substantial or lighter piston design.15th Feb 1916Box 36 \ 3  scan 024
Inquiring about the availability, price, and potential uses of magnalium metal for engine components.2nd May 1917Box 36 \ 3  scan 025
Quotation from Metropolitan Foundry for the supply of magnalium alloy.3rd May 1917Box 36 \ 3  scan 026
Letter from a supplier regarding the supply of Magnálium Alloy, pending the release of Aluminium from the Ministry of Munitions.11th May 1917Box 36 \ 3  scan 027
Experiments with high-speed contact breakers and alternative magneto designs for aircraft engines.11th May 1917Box 36 \ 3  scan 028
Use of two-way or four-way cams and a stationary contact maker for a magneto.11th May 1917Box 36 \ 3  scan 029
Engine distributor and contact breaker troubles at high speeds.15th Feb 1916Box 36 \ 3  scan 030
Continued technical discussion on ignition system components like cams, magnetos, and distributors.15th Feb 1916Box 36 \ 3  scan 031
Requesting a report for Mr. Royce on the soundness and casting characteristics of Magnalium Metal.11th May 1917Box 36 \ 3  scan 032
Inquiries into the price, quantity, and casting characteristics of Magnalium metal.11th May 1917Box 36 \ 3  scan 033
Requesting a report on the comparative soundness and characteristics of Magnalium Metal versus crankchamber alloy.11th May 1917Box 36 \ 3  scan 034
Requesting information on the price and availability of Magnalium metal, as requested by Mr. Royce.11th May 1917Box 36 \ 3  scan 035
Upcoming improvements and modifications for the Eagle and Falcon engines.12th May 1917Box 36 \ 3  scan 036
Engine component updates and the comparative future of the Falcon and Eagle engines.16th Feb 1916Box 36 \ 3  scan 037
Manufacturing risks of Eagle versus Falcon engines and commenting on competitor engine issues.14th May 1917Box 36 \ 3  scan 038
The difficulty in obtaining genuine Magnalium metal.14th May 1917Box 36 \ 3  scan 039
Obtaining samples of Magnalium Metal from two different quotations for testing purposes.15th May 1917Box 36 \ 3  scan 040
Quotations and sample orders for Magnalium metal.15th May 1917Box 36 \ 3  scan 041
Series of material tests to be conducted on various aluminium alloys.15th May 1917Box 36 \ 3  scan 042
Comparing the price and properties of Magnalium alloy to other metals.16th May 1917Box 36 \ 3  scan 043
Note comparing the weight and specific gravity of different alloys (Magnalium and 2L5 Aluminium) for a bottom half crankcase.22th Jan 1917Box 36 \ 3  scan 044
Properties, weight, and casting characteristics of Magnalium metal for crankcases compared to other alloys.6th Jun 1917Box 36 \ 3  scan 045
Poor casting characteristics of magnalium alloy for complex parts like pistons.6th Jun 1917Box 36 \ 3  scan 046
To Mr. Mills regarding sourcing Magnalium Metal, potential suppliers and price concerns.6th Jun 1917Box 36 \ 3  scan 047
Sourcing, properties, and pricing of Magnalium Metal.2nd Jun 1917Box 36 \ 3  scan 048
Properties of a Magnalium alloy sample and the criteria for its use.9th Jun 1917Box 36 \ 3  scan 049
Receipt of a one cwt. sample of Magnalium Alloy.18th Jun 1917Box 36 \ 3  scan 050
Procurement and testing of Magnalium alloy samples from two foundries.21th Jun 1917Box 36 \ 3  scan 051
The receipt of a sample of Magnalium Metal from The Metropolitan Foundry.26th Jun 1917Box 36 \ 3  scan 052
24 test pieces of Magnalium Metal sent to stores, requesting a number for an R.A.F. alloy.2nd Jul 1917Box 36 \ 3  scan 053
Tensile and casting tests for Magnallium metal and general light aluminium alloys.1st Jul 1917Box 36 \ 3  scan 054
Spanners E.6392, assigning it the experimental number X.3033.17th May 1917Box 36 \ 3  scan 055
Request to produce 12 spanners in C.V.S. material for testing and to issue an experimental number.17th May 1917Box 36 \ 3  scan 056
The testing of experimental spanners made from two different materials.31th May 1917Box 36 \ 3  scan 057
List of cancelled experiments.5th Jun 1918Box 36 \ 3  scan 058
Alterations to a water pump for 'Eagle' engines and the instruction of parts for an experimental engine.22th May 1917Box 36 \ 3  scan 059
Modification and dispatch of an Eagle & Falcon water pump to America.27th Jul 1917Box 36 \ 3  scan 060
Instruction to test and order new parts for the 'Eagle' engine water pump and connections.22th Aug 1917Box 36 \ 3  scan 061
Cancelling the instruction for parts E.14367/8 on 'Eagle' engines 1101 onwards, clarifying they were for the American engine only.24th Aug 1917Box 36 \ 3  scan 062
Test report on a modified water pump, changing from a two-bolt to a four-bolt flange, for the 'Eagle' experimental engine.1st Aug 1917Box 36 \ 3  scan 063
Modifications to water pumps for Eagle and Falcon engines.4th Aug 1917Box 36 \ 3  scan 064
To Mr. Clark about preparing components for water pump tests, including Venturi meters and rotors.5th Oct 1917Box 36 \ 3  scan 065
Conversion of an Experimental C2 engine to an Eagle 8 type, listing the incorporated experimental parts.5th Oct 1917Box 36 \ 3  scan 066
Comparing the weights of old and new type water pumps for the Eagle and Falcon engines.6th Oct 1917Box 36 \ 3  scan 067
Aero engine water pump experiments on various rotor types.16th Oct 1917Box 36 \ 3  scan 068
Alteration document for an improved type water pump with an improved locking device for the drain cock on Eagle and Falcon engines.31th Oct 1917Box 36 \ 3  scan 069
Request for the manufacture of new steel rotors for 'Eagle' water pumps for testing by Handley Page.24th Oct 1922Box 36 \ 3  scan 070
Request for data on heat carried away by engine cooling water to calculate heat-units per horsepower.27th Nov 1925Box 36 \ 3  scan 071
Eagle engine water flow and heat loss to cooling water.2nd Dec 1925Box 36 \ 3  scan 072
Eagle engine water pump performance and cooling, with a comparison to the Condor engine.2nd Dec 1925Box 36 \ 3  scan 073
Instructing die makers to alter a die for an 'Eagle' engine oil fitting, including a sketch with new dimensions.29th Jun 1917Box 36 \ 3  scan 074
Alteration notice for the R.R. Eagle engine, detailing changes to fittings, pipes, and oil flow design.30th Apr 1920Box 36 \ 3  scan 075
Blank page with a purple ink date stamp at the bottom.14th May 1920Box 36 \ 3  scan 076
Instruction to test modified magneto brackets for the 'Eagle' engine to determine the point of failure.7th May 1917Box 36 \ 3  scan 077
Follow-up on an undelivered order for Magneto Brackets with increased thickness.5th Oct 1917Box 36 \ 3  scan 078
Confirming Magneto Brackets have been fitted as standard since engine 901.9th Oct 1917Box 36 \ 3  scan 079
Series of tests to be conducted on various aluminium alloys.9th May 1917Box 36 \ 3  scan 080
Proposal for a scheme of mechanical tests to be carried out on various alloys, including specifications and diagrams for test pieces.9th May 1917Box 36 \ 3  scan 081
Instructions for specific gravity, Brinell, and porosity testing on alloy specimens.19th Jan 1917Box 36 \ 3  scan 082
Confirming instructions for tests on Aluminium Alloys.15th May 1917Box 36 \ 3  scan 083
Tests of Aluminium Alloys.17th May 1917Box 36 \ 3  scan 084
To Mr. Clark regarding 12 Miralite test pieces sent to Mr. Burdon for various tests.17th May 1917Box 36 \ 3  scan 085
The dispatch of 30 stamped test pieces to Mr. Purdon.19th May 1917Box 36 \ 3  scan 086
To Mr. Clark regarding 9 test pieces sent to Mr. Purdon, stamped H.24th May 1917Box 36 \ 3  scan 087
To Mr. Clark regarding tensile and Upton Lewis test pieces sent to Mr. Purdon.25th May 1917Box 36 \ 3  scan 088
Dispatch of stamped test pieces to Mr. Purdon.30th May 1917Box 36 \ 3  scan 089
Composition of various aluminium alloys for testing.23th Jun 1917Box 36 \ 3  scan 090
Stanton Test, Specific Gravity, and Brinell Hardness test results for various alloys.9th Mar 1917Box 36 \ 3  scan 091
Instructions and tabulated test results for Special Aluminium Alloys at various temperatures.25th Jun 1917Box 36 \ 3  scan 092
Table of test results for special aluminium alloys at various temperatures.28th Jun 1917Box 36 \ 3  scan 093
Instruction sheet detailing the chemical analysis of various alloys.25th Jun 1914Box 36 \ 3  scan 094
The results of tensile tests on aluminium alloys at various temperatures.28th Jun 1917Box 36 \ 3  scan 095
Table of tensile test results for various alloys at different temperatures.28th Jun 1917Box 36 \ 3  scan 096
Table detailing the chemical composition analysis of various alloys.29th Jun 1917Box 36 \ 3  scan 097
Testing protocol for a new aluminium alloy proposed by the R.A.F.29th Jun 1917Box 36 \ 3  scan 098
To Mr. Clark confirming the dispatch of stamped test pieces to Mr. Purdon.30th Jun 1917Box 36 \ 3  scan 099
Dispatch of 24 test pieces to stores and a request for an R.A.F. alloy number.2nd Jul 1917Box 36 \ 3  scan 100
Confirming the dispatch of 12 stamped test pieces to Mr. Coverley.4th Jul 1917Box 36 \ 3  scan 101
Sourcing Nichrome resistance wire for heating coils used in tensile tests of aluminium alloys.1st Jul 1917Box 36 \ 3  scan 102
Results of tensile tests on various aluminium alloys and their suitability for pistons.5th Jul 1917Box 36 \ 3  scan 103
Casting characteristics of various aluminium alloys and requesting a final report.6th Jul 1917Box 36 \ 3  scan 104
Inquiry to The Derby Corporation for the supply of Nichrome wire for electric resistance radiators.6th Jul 1917Box 36 \ 3  scan 105
Letter from the Electricity Supply Department in Derby regarding the availability of wire.7th Jul 1917Box 36 \ 3  scan 106


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